package g;

/* compiled from: ForwardingSource */
public abstract class k implements z {
    public final z a;

    public k(z zVar) {
        if (zVar != null) {
            this.a = zVar;
            return;
        }
        throw new IllegalArgumentException("delegate == null");
    }

    public a0 B() {
        return this.a.B();
    }

    public String toString() {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append(getClass().getSimpleName());
        stringBuilder.append("(");
        stringBuilder.append(this.a.toString());
        stringBuilder.append(")");
        return stringBuilder.toString();
    }
}
